pollution and farming
Across
- 2. things that we use to live, natural or industrial
- 3. another word for farming
- 7. a law that is designed to control air pollution
- 8. our earth's protection from the sun that has a whole in it
- 14. the number of people in a certain place
- 15. something that is fit for growing food on
- 16. the earth is getting warmer because of us
- 17. a way of farming that helps during droughts
- 18. things that pollute
Down
- 1. the reason for climate change
- 4. cars, planes and trains are all examples
- 5. gases- Gases that pollute our earth very much
- 6. a biological community of organisms and their physical envoirnment
- 7. to keep something t he same or keep it for a long time
- 9. the draining away of water from a surface of land
- 10. things that pollute a lot and will eventually run out like coal
- 11. when a rock layer moves
- 12. the cultivation of aquatic plants for food
- 13. a lack of water in a place
- 19. very dirty air because of pollution